package com.dongdongshop.controller;

import com.alibaba.dubbo.config.annotation.Reference;
import com.alipay.api.AlipayApiException;
import com.alipay.api.AlipayClient;
import com.alipay.api.DefaultAlipayClient;
import com.alipay.api.internal.util.AlipaySignature;
import com.alipay.api.request.AlipayTradePagePayRequest;
import com.alipay.api.request.AlipayTradeRefundRequest;
import com.dongdongshop.config.AlipayConfig;
import com.dongdongshop.pojo.admin.TbUser;
import com.dongdongshop.pojo.order.TbOrder;
import com.dongdongshop.pojo.order_item.TbOrderItem;
import com.dongdongshop.pojo.seckill_order.TbSeckillOrder;
import com.dongdongshop.service.item.ItemService;
import com.dongdongshop.service.order.OrderService;
import com.dongdongshop.service.pay_log.PayLogService;
import com.sun.prism.impl.shape.ShapeUtil;
import org.apache.rocketmq.client.producer.TransactionSendResult;
import org.apache.rocketmq.spring.core.RocketMQTemplate;
import org.apache.shiro.SecurityUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.http.HttpRequest;
import org.springframework.messaging.Message;
import org.springframework.messaging.support.MessageBuilder;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseBody;

import javax.servlet.http.HttpServletRequest;
import java.util.List;

@Controller
@RequestMapping("pay")
public class PayController {
    @Autowired
    private AlipayConfig alipayConfig;
    @Reference
    private OrderService orderService;
    @Reference
    private PayLogService payLogService;
    @Reference
    private ItemService itemService;
    @Autowired
    private RocketMQTemplate rocketMQTemplate;
    @Autowired
    private RedisTemplate redisTemplate;
    @RequestMapping("goPay")
    @ResponseBody
    public String goPay(String out_trade_no,String total_amount,String subject, String body){
        //获得初始化的AlipayClient
        AlipayClient alipayClient = new DefaultAlipayClient(alipayConfig.getGatewayUrl(), alipayConfig.getApp_id(),alipayConfig.getMerchant_private_key(),
                alipayConfig.getFormate(), alipayConfig.getCharset(), alipayConfig.getAlipay_public_key(),alipayConfig.getSign_type());

        System.out.println("异步"+alipayConfig.getNotify_url());
        //设置请求参数
        AlipayTradePagePayRequest alipayRequest = new AlipayTradePagePayRequest();
        alipayRequest.setReturnUrl(alipayConfig.getReturn_url());
        alipayRequest.setNotifyUrl(alipayConfig.getNotify_url());

        /*//商户订单号，商户网站订单系统中唯一订单号，必填
        String out_trade_no = new String(request.getParameter("WIDout_trade_no").getBytes("ISO-8859-1"),"UTF-8");
        //付款金额，必填
        String total_amount = new String(request.getParameter("WIDtotal_amount").getBytes("ISO-8859-1"),"UTF-8");
        //订单名称，必填
        String subject = new String(request.getParameter("WIDsubject").getBytes("ISO-8859-1"),"UTF-8");
        //商品描述，可空
        String body = new String(request.getParameter("WIDbody").getBytes("ISO-8859-1"),"UTF-8");*/

        alipayRequest.setBizContent("{\"out_trade_no\":\""+ out_trade_no +"\","
                + "\"total_amount\":\""+ total_amount +"\","
                + "\"subject\":\""+ subject +"\","
                + "\"body\":\""+ body +"\","
                + "\"product_code\":\"FAST_INSTANT_TRADE_PAY\"}");

        //若想给BizContent增加其他可选请求参数，以增加自定义超时时间参数timeout_express来举例说明
        //alipayRequest.setBizContent("{\"out_trade_no\":\""+ out_trade_no +"\","
        //		+ "\"total_amount\":\""+ total_amount +"\","
        //		+ "\"subject\":\""+ subject +"\","
        //		+ "\"body\":\""+ body +"\","
        //		+ "\"timeout_express\":\"10m\","
        //		+ "\"product_code\":\"FAST_INSTANT_TRADE_PAY\"}");
        //请求参数可查阅【电脑网站支付的API文档-alipay.trade.page.pay-请求参数】章节

        //请求
        String result = null;
        try {
            result = alipayClient.pageExecute(alipayRequest).getBody();
        } catch (AlipayApiException e) {
            e.printStackTrace();
        }

        //输出
        return result;
    }

    //同步回调地址
    @RequestMapping("return_url")
    public String return_url(HttpServletRequest request, String out_trade_no, String trade_no, String total_amount, Model model){
        TbUser user = (TbUser) SecurityUtils.getSubject().getPrincipal();
        /*Map<String,String> params = new HashMap<String,String>();
        Map<String,String[]> requestParams = request.getParameterMap();
        for (Iterator<String> iter = requestParams.keySet().iterator(); iter.hasNext();) {
            String name = (String) iter.next();
            String[] values = (String[]) requestParams.get(name);
            String valueStr = "";
            for (int i = 0; i < values.length; i++) {
                valueStr = (i == values.length - 1) ? valueStr + values[i]
                        : valueStr + values[i] + ",";
            }
            //乱码解决，这段代码在出现乱码时使用
            try {
                valueStr = new String(valueStr.getBytes("ISO-8859-1"), "utf-8");
            } catch (UnsupportedEncodingException e) {
                e.printStackTrace();
            }
            params.put(name, valueStr);
        }

        boolean signVerified = false; //调用SDK验证签名
        try {
            signVerified = AlipaySignature.rsaCheckV1(params, alipayConfig.getAlipay_public_key(), alipayConfig.getCharset(),
                    alipayConfig.getSign_type());
        } catch (AlipayApiException e) {
            e.printStackTrace();
        }*/
        payLogService.insertPayLog(out_trade_no,trade_no,total_amount,"1");
        //——请在这里编写您的程序（以下代码仅作参考）——
        if(true) {
            //商户订单号
            /*String out_trade_no = new String(request.getParameter("out_trade_no").getBytes("ISO-8859-1"),"UTF-8");

            //支付宝交易号
            String trade_no = new String(request.getParameter("trade_no").getBytes("ISO-8859-1"),"UTF-8");

            //付款金额
            String total_amount = new String(request.getParameter("total_amount").getBytes("ISO-8859-1"),"UTF-8");
*/
            /*out.println("trade_no:"+trade_no+"<br/>out_trade_no:"+out_trade_no+"<br/>total_amount:"+total_amount);*/
            System.out.println("同步"+out_trade_no);
            System.out.println("同步"+trade_no);
            System.out.println("同步"+total_amount);
            model.addAttribute("out_trade_no",out_trade_no);
            model.addAttribute("trade_no",trade_no);
            model.addAttribute("trade_no",total_amount);
            return "paysuccess";

        }else {
            return "payfail";
        }
        //——请在这里编写您的程序（以上代码仅作参考）——

    }
    //异步回调地址
    @RequestMapping("notify_url")
    @ResponseBody
    public String notify_url(HttpServletRequest request,@RequestParam(defaultValue = "") String out_biz_no,String out_trade_no,String trade_no,String trade_status,@RequestParam(defaultValue = "1") String out_request_no) throws AlipayApiException {
        /* System.out.println("进入异步调用");
        //获取支付宝POST过来反馈信息
        Map<String,String> params = new HashMap<String,String>();
        Map<String,String[]> requestParams = request.getParameterMap();
        for (Iterator<String> iter = requestParams.keySet().iterator(); iter.hasNext();) {
            String name = (String) iter.next();
            String[] values = (String[]) requestParams.get(name);
            String valueStr = "";
            for (int i = 0; i < values.length; i++) {
                valueStr = (i == values.length - 1) ? valueStr + values[i]
                        : valueStr + values[i] + ",";
            }
            //乱码解决，这段代码在出现乱码时使用
           *//* try {
                valueStr = new String(valueStr.getBytes("ISO-8859-1"), "utf-8");
            } catch (UnsupportedEncodingException e) {
                e.printStackTrace();
            }*//*
            params.put(name, valueStr);
        }


            boolean signVerified = AlipaySignature.rsaCheckV1(params, alipayConfig.getAlipay_public_key(), alipayConfig.getCharset(),
                    alipayConfig.getSign_type());
            System.out.println("异步"+signVerified);
*/


        //——请在这里编写您的程序（以下代码仅作参考）——

	/* 实际验证过程建议商户务必添加以下校验：
	1、需要验证该通知数据中的out_trade_no是否为商户系统中创建的订单号，
	2、判断total_amount是否确实为该订单的实际金额（即商户订单创建时的金额），
	3、校验通知中的seller_id（或者seller_email) 是否为out_trade_no这笔单据的对应的操作方（有的时候，一个商户可能有多个seller_id/seller_email）
	4、验证app_id是否为该商户本身。
	*/
        if(true) {//验证成功
            System.out.println(">>>>>>成功");
            //商户订单号
          /*  String out_trade_no = new String(request.getParameter("out_trade_no").getBytes("ISO-8859-1"),"UTF-8");

            //支付宝交易号
            String trade_no = new String(request.getParameter("trade_no").getBytes("ISO-8859-1"),"UTF-8");

            //交易状态
            String trade_status = new String(request.getParameter("trade_status").getBytes("ISO-8859-1"),"UTF-8");*/
            System.out.println("异步"+out_trade_no);
            System.out.println("异步"+trade_no);
            System.out.println("异步"+trade_status);
            if(trade_status.equals("TRADE_FINISHED")){
                //判断该笔订单是否在商户网站中已经做过处理
                //如果没有做过处理，根据订单号（out_trade_no）在商户网站的订单系统中查到该笔订单的详细，并执行商户的业务程序
                //如果有做过处理，不执行商户的业务程序

                //注意：
                //退款日期超过可退款期限后（如三个月可退款），支付宝系统发送该交易状态通知
            }else if (trade_status.equals("TRADE_SUCCESS")){
                //判断该笔订单是否在商户网站中已经做过处理
                //如果没有做过处理，根据订单号（out_trade_no）在商户网站的订单系统中查到该笔订单的详细，并执行商户的业务程序
                //如果有做过处理，不执行商户的业务程序
                if ("1".equals(out_request_no)){
                    try {
                        orderService.updateStatusToHave(out_trade_no,trade_no);
                        List<TbOrderItem> orderItemList = orderService.listOrderByOrderParent(out_trade_no);

                        //发送mq消息
                        Message message = MessageBuilder.withPayload(out_trade_no).build();
                        TransactionSendResult result = rocketMQTemplate.sendMessageInTransaction("tx-group", "countAndOrder", message,orderItemList);
                    }catch (Exception e){
                        return "fail";
                    }
                }else {
                    try {
                        orderService.updateStatusToRefund(out_trade_no,trade_no,out_request_no);
                    }catch (Exception e){
                        return "fail";
                    }
                }

                //注意：
                //付款完成后，支付宝系统发送该交易状态通知
            }

            return "success";
        }else {//验证失败
            return "fail";
            //调试用，写文本函数记录程序运行情况是否正常
            //String sWord = AlipaySignature.getSignCheckContentV1(params);
            //AlipayConfig.logResult(sWord);
        }

        //——请在这里编写您的程序（以上代码仅作参考）——
    }

    //退款
    @RequestMapping("refund")
    @ResponseBody
    public String refund(HttpServletRequest request,String out_trade_no,String trade_no,String refund_amount,String out_request_no) throws AlipayApiException {
        //获得初始化的AlipayClient
        AlipayClient alipayClient = new DefaultAlipayClient(alipayConfig.getGatewayUrl(), alipayConfig.getApp_id(),
                alipayConfig.getMerchant_private_key(), alipayConfig.getFormate(),
                alipayConfig.getCharset(), alipayConfig.getAlipay_public_key(), alipayConfig.getSign_type());

        //设置请求参数
        AlipayTradeRefundRequest alipayRequest = new AlipayTradeRefundRequest();

       /* //商户订单号，商户网站订单系统中唯一订单号
        String out_trade_no = new String(request.getParameter("WIDTRout_trade_no").getBytes("ISO-8859-1"),"UTF-8");
        //支付宝交易号
        String trade_no = new String(request.getParameter("WIDTRtrade_no").getBytes("ISO-8859-1"),"UTF-8");
        //请二选一设置
        //需要退款的金额，该金额不能大于订单金额，必填
        String refund_amount = new String(request.getParameter("WIDTRrefund_amount").getBytes("ISO-8859-1"),"UTF-8");
        //退款的原因说明*/
        String refund_reason = "不想买了";
        //标识一次退款请求，同一笔交易多次退款需要保证唯一，如需部分退款，则此参数必传
/*
        String out_request_no = new String(request.getParameter("WIDTRout_request_no").getBytes("ISO-8859-1"),"UTF-8");
*/

        alipayRequest.setBizContent("{\"out_trade_no\":\""+ out_trade_no +"\","
                + "\"trade_no\":\""+ trade_no +"\","
                + "\"refund_amount\":\""+ refund_amount +"\","
                + "\"refund_reason\":\""+ refund_reason +"\","
                + "\"out_request_no\":\""+ out_request_no +"\"}");

        //请求
        String result = alipayClient.execute(alipayRequest).getBody();

        //输出
        return result;
    }




}
